Oscal Flat 3C vs Vivo X300 Ultra

The Oscal Flat 3C (2026) runs on the Unisoc Tiger T310, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $130 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 34/100 (a 57-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 5000); the main camera is 32 MP vs 200 MP; the Vivo X300 Ultra has NFC for contactless payments, the Oscal Flat 3C doesn't; the Oscal Flat 3C is noticeably lighter (199g vs 230g).

The Vivo X300 Ultra significantly outperforms the Oscal Flat 3C by 57 points (91/100 vs 34/100).

Profile comparison

Category scores

Oscal Flat 3C

Performance —
Display 32
Camera 22
Battery 52
Portability 50
Value for money 48

Vivo X300 Ultra

Performance 99
Display 89
Camera 96
Battery 85
Portability 39
Value for money 94

What makes Oscal Flat 3C better?

  • Lighter: 199g vs 230g
  • Cheaper at launch: $130 vs $950

  • Better portability (50/100 vs 39/100)

What makes Vivo X300 Ultra better?

  • Bigger battery: 7000 vs 5000 mAh
  • Better main camera: 200MP vs 32MP
  • Higher refresh rate: 120Hz vs 60Hz

  • Better camera (96/100 vs 22/100)
  • Longer battery life (85/100 vs 52/100)
  • Better display (89/100 vs 32/100)

Comparison verdict

Comparing the Oscal Flat 3C vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 57 points higher (91/100 vs 34/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 22/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 52/100). Value score: Oscal Flat 3C — 48/100, Vivo X300 Ultra — 94/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "display" category, the Vivo X300 Ultra significantly outperforms the Oscal Flat 3C (89/100 vs 32/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Oscal Flat 3C (96/100 vs 22/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Oscal Flat 3C (85/100 vs 52/100). In the "portability" category, the Oscal Flat 3C is a bit better (50/100 vs 39/100).

Vivo X300 Ultra: The Vivo X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.

Specs comparison

Specification Oscal Flat 3C Vivo X300 Ultra
Processor Unisoc Tiger T310 Qualcomm Snapdragon 8 Elite Gen 5
AnTuTu — 4247433
Geekbench Single — 3639
Geekbench Multi — 11047
Display 6.6" IPS LCD 6.8" LTPO OLED
Resolution 720x1612 3168x1440
Refresh rate 60 Hz 120 Hz
Battery 5000 mAh 7000 mAh
Charging — 100W
Wireless charging 0W 40W
DXOMark (camera) — 170
Main camera 32 MP 200 MP
Ultrawide 0 MP 50 MP
Telephoto 0 MP 200 MP
Front camera 13 MP 32 MP
RAM 4GB 12GB / 16GB
Storage 64GB / 128GB 256GB / 512GB / 1TB
OS Android 16 Android 16
NFC no yes
Protection — IP69
Dimensions 165.3×76.7×8.9 mm 163.0×76.8×8.2 mm
Weight 199 g 230 g
Launch price $130 $950

Camera comparison

Oscal Flat 3C

  • Main: 32MP
  • Front: 13MP
22
camera

Vivo X300 Ultra

  • Main: 200MP f/1.6
  • Ultrawide: 50MP
  • Telephoto: 200MP
  • Front: 32MP
96
camera

Display comparison

Oscal Flat 3C

  • 6.6" IPS LCD
  • Resolution: 720x1612
  • Refresh rate: 60 Hz
32
display

Vivo X300 Ultra

  • 6.8" LTPO OLED
  • Resolution: 3168x1440
  • Refresh rate: 120 Hz
89
display

Battery and charging

Oscal Flat 3C

  • 5000 mAh
  • No wireless charging
52
battery

Vivo X300 Ultra

  • 7000 mAh
  • NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
  • Wired: 100W
  • Wireless: 40W
85
battery

Benchmarks

Launch prices and where to check today's

Oscal Flat 3C

$130

Vivo X300 Ultra

$950

Launch price difference: $820. Oscal Flat 3C was $820 cheaper at launch.

Detailed category analysis

display

In the "display" category, the Vivo X300 Ultra significantly outperforms the Oscal Flat 3C (89/100 vs 32/100).

camera

In the "camera" category, the Vivo X300 Ultra significantly outperforms the Oscal Flat 3C (96/100 vs 22/100).

battery

In the "battery" category, the Vivo X300 Ultra significantly outperforms the Oscal Flat 3C (85/100 vs 52/100).

portability

In the "portability" category, the Oscal Flat 3C is a bit better (50/100 vs 39/100).

Frequently asked questions

Which is better: the Oscal Flat 3C or the Vivo X300 Ultra?

The Vivo X300 Ultra significantly outperforms the Oscal Flat 3C by 57 points (91/100 vs 34/100).

What is the rating of the Oscal Flat 3C and the Vivo X300 Ultra?

The Oscal Flat 3C has a MobileRank rating of 34/100, the Vivo X300 Ultra — 91/100.

Which has the better camera: the Oscal Flat 3C or the Vivo X300 Ultra?

The Vivo X300 Ultra leads on camera score (96/100 vs 22/100).

Should you choose the Oscal Flat 3C over the Vivo X300 Ultra?

The Vivo X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.